High-precision determination of the wavefront error also requires Systematically changed from one image to the next. Series of images recorded by the instrument under test in its as-used configuration, in which the focal plane is The wavefrontĮrror is determined using image-based wavefront sensing, and the primary data used by this process are focus sweeps, a In this paper, we describe the results of optical wavefront-error performance characterization of the SIs. (GSFC)'s Space Environment Simulator (SES) test chamber. Module (ISIM) were tested in three cryogenic-vacuum test campaigns in the NASA Goddard Space Flight Center The science instruments (SIs) comprising the James Webb Space Telescope (JWST) Integrated Science Instrument The JWST is on schedule for launch during 2018. Construction, integration and verification testing is underway Technology development and mission design are complete. Observations proposed by the international astronomical community in a manner similar to the Hubble Space Telescope. The JWST is being developedīy NASA, in partnership with the European and Canadian Space Agencies, as a general user facility with science Imagery, coronography, and integral-field spectroscopy over the 5.0 < λ < 29 um spectrum. An actively cooled mid-infrared instrument provides broad-band Spectroscopy over the 0.6 < λ < 5.0 um spectrum. Instruments providing broad- and narrow-band imagery, coronography, as well as multi-object and integral-field The science instrument payload includes four passively cooled near-infrared Infrared space observatory with a 25 m 2 aperture (6 m class) telescope that will achieve diffraction limited angular The James Webb Space Telescope (JWST) is the scientific successor to the Hubble Space Telescope.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |